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122100021100100 = 22521221000211001
BaseRepresentation
bin11011110000110010100000…
…011000100111111001000100
3121000022122111101222020001102
4123300302200120213321010
5112000441320400200400
61111403550401115232
734501302230051111
oct3360624030477104
9530278441866042
10122100021100100
11359a536785199a
121183b976028b18
135318ca097a834
14222195b6b3908
15e1b17d6399d5
hex6f0ca0627e44

122100021100100 has 18 divisors (see below), whose sum is σ = 264957045787434. Its totient is φ = 48840008440000.

The previous prime is 122100021100037. The next prime is 122100021100111. The reversal of 122100021100100 is 1001120001221.

122100021100100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 29343975672064 + 92756045428036 = 5417008^2 + 9630994^2 .

It is a super-4 number, since 4×1221000211001004 (a number of 57 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610500105401 + ... + 610500105600.

Almost surely, 2122100021100100 is an apocalyptic number.

122100021100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100021100100 is an abundant number, since it is smaller than the sum of its proper divisors (142857024687334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122100021100100 is a wasteful number, since it uses less digits than its factorization.

122100021100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221000211015 (or 1221000211008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122100021100100 its reverse (1001120001221), we get a palindrome (123101141101321).

The spelling of 122100021100100 in words is "one hundred twenty-two trillion, one hundred billion, twenty-one million, one hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1221000211001 2442000422002 4884000844004 6105001055005 12210002110010 24420004220020 30525005275025 61050010550050 122100021100100