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101221033011233 = 472153639000239
BaseRepresentation
bin10111000000111101011011…
…101101110110100000100001
3111021101122011211100022112012
4113000331123231312200201
5101231401133422324413
6555140144533442305
730214656362402612
oct2700753355664041
9437348154308465
10101221033011233
112a285665342983
12b4293931a0395
134463144133215
141add1a48c3c09
15ba7ed0c787a8
hex5c0f5bb76821

101221033011233 has 4 divisors (see below), whose sum is σ = 103374672011520. Its totient is φ = 99067394010948.

The previous prime is 101221033011223. The next prime is 101221033011251. The reversal of 101221033011233 is 332110330122101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101221033011233 is a prime.

It is a super-2 number, since 2×1012210330112332 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101221033011199 and 101221033011208.

It is not an unprimeable number, because it can be changed into a prime (101221033011223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076819500073 + ... + 1076819500166.

It is an arithmetic number, because the mean of its divisors is an integer number (25843668002880).

Almost surely, 2101221033011233 is an apocalyptic number.

It is an amenable number.

101221033011233 is a deficient number, since it is larger than the sum of its proper divisors (2153639000287).

101221033011233 is an equidigital number, since it uses as much as digits as its factorization.

101221033011233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153639000286.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 101221033011233 its reverse (332110330122101), we get a palindrome (433331363133334).

The spelling of 101221033011233 in words is "one hundred one trillion, two hundred twenty-one billion, thirty-three million, eleven thousand, two hundred thirty-three".

Divisors: 1 47 2153639000239 101221033011233