111212022012010 has 32 divisors (see below), whose sum is σ = 209155416140160. Its totient is φ = 42495640448448.

The previous prime is 111212022012001. The next prime is 111212022012059. The reversal of 111212022012010 is 10210220212111.

It is a super-2 number, since 2×111212022012010² (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 15 ways as a sum of consecutive naturals, for example, 312584520 + ... + 312940099.

It is an arithmetic number, because the mean of its divisors is an integer number (6536106754380).

Almost surely, 2^{111212022012010} is an apocalyptic number.

111212022012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111212022012010 is a deficient number, since it is larger than the sum of its proper divisors (97943394128150).

111212022012010 is a wasteful number, since it uses less digits than its factorization.

111212022012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625525422.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111212022012010 its reverse (10210220212111), we get a palindrome (121422242224121).

The spelling of 111212022012010 in words is "one hundred eleven trillion, two hundred twelve billion, twenty-two million, twelve thousand, ten".