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22121100301031 = 73973124007951
BaseRepresentation
bin1010000011110011110000…
…10100110101001011100111
32220022202102111220001101022
411001321320110311023213
510344413003134113111
6115014143154521355
74442124326061044
oct501717024651347
986282374801338
1022121100301031
117059562473436
12259327389625b
13c4601a98a164
1456694a2301cb
1528564970e2db
hex141e785352e7

22121100301031 has 8 divisors (see below), whose sum is σ = 22655305667904. Its totient is φ = 21593142950400.

The previous prime is 22121100300979. The next prime is 22121100301061. The reversal of 22121100301031 is 13010300112122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22121100301031 is a prime.

It is a super-2 number, since 2×221211003010312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121100301061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561996895 + ... + 1562011056.

It is an arithmetic number, because the mean of its divisors is an integer number (2831913208488).

Almost surely, 222121100301031 is an apocalyptic number.

22121100301031 is a deficient number, since it is larger than the sum of its proper divisors (534205366873).

22121100301031 is an equidigital number, since it uses as much as digits as its factorization.

22121100301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124008121.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22121100301031 its reverse (13010300112122), we get a palindrome (35131400413153).

The spelling of 22121100301031 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred million, three hundred one thousand, thirty-one".

Divisors: 1 73 97 7081 3124007951 228052580423 303028771247 22121100301031