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101102313021 = 3471269756473
BaseRepresentation
bin101111000101000101…
…0101101111000111101
3100122221222211122102220
41132022022231320331
53124024143004041
6114240141235553
710206260324043
oct1361212557075
9318858748386
10101102313021
11399716901a6
1217716b62bb9
1396c2cc0178
144c71602393
15296adcad66
hex178a2ade3d

101102313021 has 16 divisors (see below), whose sum is σ = 137684515584. Its totient is φ = 65961103104.

The previous prime is 101102313019. The next prime is 101102313041. The reversal of 101102313021 is 120313201101.

It is a happy number.

It is not a de Polignac number, because 101102313021 - 21 = 101102313019 is a prime.

It is a super-2 number, since 2×1011023130212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102313041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1762041 + ... + 1818513.

It is an arithmetic number, because the mean of its divisors is an integer number (8605282224).

Almost surely, 2101102313021 is an apocalyptic number.

It is an amenable number.

101102313021 is a deficient number, since it is larger than the sum of its proper divisors (36582202563).

101102313021 is a wasteful number, since it uses less digits than its factorization.

101102313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69220.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101102313021 its reverse (120313201101), we get a palindrome (221415514122).

The spelling of 101102313021 in words is "one hundred one billion, one hundred two million, three hundred thirteen thousand, twenty-one".

Divisors: 1 3 47 141 12697 38091 56473 169419 596759 1790277 2654231 7962693 717037681 2151113043 33700771007 101102313021