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122020113100 = 22521220201131
BaseRepresentation
bin111000110100011110…
…1110010101011001100
3102122221210100222201011
41301220331302223030
53444344122104400
6132015534255004
711546525563654
oct1615075625314
9378853328634
10122020113100
1147826199a86
121b794357464
13b677884472
145c97759364
1532924dc8ba
hex1c68f72acc

122020113100 has 18 divisors (see below), whose sum is σ = 264783645644. Its totient is φ = 48808045200.

The previous prime is 122020113097. The next prime is 122020113101. The reversal of 122020113100 is 1311020221.

It is a super-2 number, since 2×1220201131002 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122020113101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610100466 + ... + 610100665.

Almost surely, 2122020113100 is an apocalyptic number.

122020113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020113100 is an abundant number, since it is smaller than the sum of its proper divisors (142763532544).

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

122020113100 is a wasteful number, since it uses less digits than its factorization.

122020113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220201145 (or 1220201138 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 122020113100 its reverse (1311020221), we get a palindrome (123331133321).

The spelling of 122020113100 in words is "one hundred twenty-two billion, twenty million, one hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1220201131 2440402262 4880804524 6101005655 12202011310 24404022620 30505028275 61010056550 122020113100