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1201112112110 = 25556812157131
BaseRepresentation
bin10001011110100111110…
…111000101101111101110
311020211021120100020222212
4101132213313011233232
5124134334200041420
62315441105010422
7152530451333261
oct21364767055756
94224246306885
101201112112110
11423430524409
1217494a023a12
1389358b19701
14421c40dacd8
152139c6653c5
hex117a7dc5bee

1201112112110 has 16 divisors (see below), whose sum is σ = 2162041632432. Its totient is φ = 480435993600.

The previous prime is 1201112112103. The next prime is 1201112112139. The reversal of 1201112112110 is 112112111021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521756 + ... + 1635375.

It is an arithmetic number, because the mean of its divisors is an integer number (135127602027).

Almost surely, 21201112112110 is an apocalyptic number.

1201112112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201112112110 is a deficient number, since it is larger than the sum of its proper divisors (960929520322).

1201112112110 is a wasteful number, since it uses less digits than its factorization.

1201112112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212819.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1201112112110 its reverse (112112111021), we get a palindrome (1313224223131).

The spelling of 1201112112110 in words is "one trillion, two hundred one billion, one hundred twelve million, one hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 55681 111362 278405 556810 2157131 4314262 10785655 21571310 120111211211 240222422422 600556056055 1201112112110