Search a number
-
+
101122102021 = 3113723810243
BaseRepresentation
bin101111000101101011…
…0001101001100000101
3100200000101002000211211
41132023112031030011
53124044224231041
6114242125331421
710206620453653
oct1361326151405
9320011060754
10101122102021
1139981876a46
1217721706b71
1396c712b535
144c740b3dd3
15296c9d9481
hex178b58d305

101122102021 has 8 divisors (see below), whose sum is σ = 105146037504. Its totient is φ = 97145787360.

The previous prime is 101122101923. The next prime is 101122102027. The reversal of 101122102021 is 120201221101.

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

It is a cyclic number.

It is not a de Polignac number, because 101122102021 - 27 = 101122101893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101122101992 and 101122102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122102027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11900875 + ... + 11909368.

It is an arithmetic number, because the mean of its divisors is an integer number (13143254688).

Almost surely, 2101122102021 is an apocalyptic number.

It is an amenable number.

101122102021 is a deficient number, since it is larger than the sum of its proper divisors (4023935483).

101122102021 is a wasteful number, since it uses less digits than its factorization.

101122102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23810411.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101122102021 its reverse (120201221101), we get a palindrome (221323323122).

The spelling of 101122102021 in words is "one hundred one billion, one hundred twenty-two million, one hundred two thousand, twenty-one".

Divisors: 1 31 137 4247 23810243 738117533 3262003291 101122102021