111020202120986 has 8 divisors (see below), whose sum is σ = 166663634092500. Its totient is φ = 55465657423488.

The previous prime is 111020202120917. The next prime is 111020202121013. The reversal of 111020202120986 is 689021202020111.

It can be written as a sum of positive squares in 2 ways, for example, as 110471261901961 + 548940219025 = 10510531^2 + 740905^2 .

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

It is a super-2 number, since 2×111020202120986² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22221815381 + ... + 22221820376.

Almost surely, 2^{111020202120986} is an apocalyptic number.

111020202120986 is a deficient number, since it is larger than the sum of its proper divisors (55643431971514).

111020202120986 is a wasteful number, since it uses less digits than its factorization.

111020202120986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44443637008.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 111020202120986 in words is "one hundred eleven trillion, twenty billion, two hundred two million, one hundred twenty thousand, nine hundred eighty-six".