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1111210112131 = 7216017348933
BaseRepresentation
bin10000001010111001010…
…010001011010010000011
310221020020010212110121221
4100022321102023102003
5121201224242042011
62210252145055511
7143165552052130
oct20127122132203
93836203773557
101111210112131
11399297159179
1215b43a027597
1380a2c3ba812
143bad622d587
151dd89be5971
hex102b948b483

1111210112131 has 8 divisors (see below), whose sum is σ = 1270013378144. Its totient is φ = 952421587200.

The previous prime is 1111210112093. The next prime is 1111210112137. The reversal of 1111210112131 is 1312110121111.

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 1111210112131 - 227 = 1111075894403 is a prime.

It is a super-2 number, since 2×11112101121312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111210112137) 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, 3523260 + ... + 3825673.

It is an arithmetic number, because the mean of its divisors is an integer number (158751672268).

Almost surely, 21111210112131 is an apocalyptic number.

1111210112131 is a deficient number, since it is larger than the sum of its proper divisors (158803266013).

1111210112131 is an equidigital number, since it uses as much as digits as its factorization.

1111210112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370541.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 1111210112131 its reverse (1312110121111), we get a palindrome (2423320233242).

The spelling of 1111210112131 in words is "one trillion, one hundred eleven billion, two hundred ten million, one hundred twelve thousand, one hundred thirty-one".

Divisors: 1 7 21601 151207 7348933 51442531 158744301733 1111210112131