111210001021010 has 16 divisors (see below), whose sum is σ = 200405218654872. Its totient is φ = 44433507782400.

The previous prime is 111210001020971. The next prime is 111210001021019. The reversal of 111210001021010 is 10120100012111.

It can be written as a sum of positive squares in 4 ways, for example, as 32753862163801 + 78456138857209 = 5723099^2 + 8857547^2 .

It is a super-2 number, since 2×111210001021010² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111210001020982 and 111210001021000.

It is not an unprimeable number, because it can be changed into a prime (111210001021019) 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, 6311569001 + ... + 6311586620.

Almost surely, 2^{111210001021010} is an apocalyptic number.

111210001021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111210001021010 is a deficient number, since it is larger than the sum of its proper divisors (89195217633862).

111210001021010 is a wasteful number, since it uses less digits than its factorization.

111210001021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12623156509.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111210001021010 its reverse (10120100012111), we get a palindrome (121330101033121).

The spelling of 111210001021010 in words is "one hundred eleven trillion, two hundred ten billion, one million, twenty-one thousand, ten".