1213011013110 has 32 divisors (see below), whose sum is σ = 3135166927200. Its totient is φ = 298587326208.

The previous prime is 1213011013103. The next prime is 1213011013117. The reversal of 1213011013110 is 113101103121.

It is an interprime number because it is at equal distance from previous prime (1213011013103) and next prime (1213011013117).

It is a super-2 number, since 2×1213011013110² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1213011013110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213011013117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1555141935 + ... + 1555142714.

It is an arithmetic number, because the mean of its divisors is an integer number (97973966475).

Almost surely, 2^{1213011013110} is an apocalyptic number.

1213011013110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213011013110 is an abundant number, since it is smaller than the sum of its proper divisors (1922155914090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213011013110 is a wasteful number, since it uses less digits than its factorization.

1213011013110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110284672.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1213011013110 its reverse (113101103121), we get a palindrome (1326112116231).

The spelling of 1213011013110 in words is "one trillion, two hundred thirteen billion, eleven million, thirteen thousand, one hundred ten".