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102111020211001 = 787433132995571
BaseRepresentation
bin10111001101111010010011…
…000101100101101100111001
3111101112201101120021110000111
4113031322103011211230321
5101340441332133223001
61001101053300104321
730336164161650004
oct2715722305455471
9441481346243014
10102111020211001
112a59904997575a
12b5519720950a1
1344c904936c859
141b302b217453b
15bc121e219851
hex5cde93165b39

102111020211001 has 8 divisors (see below), whose sum is σ = 102243162019104. Its totient is φ = 101978884482240.

The previous prime is 102111020210987. The next prime is 102111020211019. The reversal of 102111020211001 is 100112020111201.

It is a happy number.

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 102111020211001 - 213 = 102111020202809 is a prime.

It is a super-2 number, since 2×1021110202110012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111020211301) 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, 32589546 + ... + 35585116.

It is an arithmetic number, because the mean of its divisors is an integer number (12780395252388).

Almost surely, 2102111020211001 is an apocalyptic number.

It is an amenable number.

102111020211001 is a deficient number, since it is larger than the sum of its proper divisors (132141808103).

102111020211001 is an equidigital number, since it uses as much as digits as its factorization.

102111020211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039671.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102111020211001 its reverse (100112020111201), we get a palindrome (202223040322202).

The spelling of 102111020211001 in words is "one hundred two trillion, one hundred eleven billion, twenty million, two hundred eleven thousand, one".

Divisors: 1 787 43313 2995571 34087331 2357514377 129747166723 102111020211001