10111220011210 has 16 divisors (see below), whose sum is σ = 18242228813256. Its totient is φ = 4035147383808.

The previous prime is 10111220011199. The next prime is 10111220011219. The reversal of 10111220011210 is 1211002211101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2579142852841 + 7532077158369 = 1605971^2 + 2744463^2 .

It is not an unprimeable number, because it can be changed into a prime (10111220011219) 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, 1167573039 + ... + 1167581698.

Almost surely, 2^{10111220011210} is an apocalyptic number.

10111220011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111220011210 is a deficient number, since it is larger than the sum of its proper divisors (8131008802046).

10111220011210 is a wasteful number, since it uses less digits than its factorization.

10111220011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335155177.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111220011210 its reverse (1211002211101), we get a palindrome (11322222222311).

The spelling of 10111220011210 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, eleven thousand, two hundred ten".