1011342111220 has 96 divisors (see below), whose sum is σ = 2586641154048. Its totient is φ = 324613103232.

The previous prime is 1011342111167. The next prime is 1011342111233. The reversal of 1011342111220 is 221112431101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3189952 + ... + 3492631.

It is an arithmetic number, because the mean of its divisors is an integer number (26944178688).

Almost surely, 2^{1011342111220} is an apocalyptic number.

1011342111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011342111220 is an abundant number, since it is smaller than the sum of its proper divisors (1575299042828).

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

1011342111220 is a wasteful number, since it uses less digits than its factorization.

1011342111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682669 (or 6682667 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1011342111220 its reverse (221112431101), we get a palindrome (1232454542321).

The spelling of 1011342111220 in words is "one trillion, eleven billion, three hundred forty-two million, one hundred eleven thousand, two hundred twenty".