1012112211011 has 8 divisors (see below), whose sum is σ = 1104669844464. Its totient is φ = 919645816320.

The previous prime is 1012112210971. The next prime is 1012112211017. The reversal of 1012112211011 is 1101122112101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012112211011 - 2⁶ = 1012112210947 is a prime.

It is a super-2 number, since 2×1012112211011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012112211017) 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, 22786490 + ... + 22830863.

It is an arithmetic number, because the mean of its divisors is an integer number (138083730558).

Almost surely, 2^{1012112211011} is an apocalyptic number.

1012112211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012112211011 is a deficient number, since it is larger than the sum of its proper divisors (92557633453).

1012112211011 is a wasteful number, since it uses less digits than its factorization.

1012112211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45619381.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1012112211011 its reverse (1101122112101), we get a palindrome (2113234323112).

The spelling of 1012112211011 in words is "one trillion, twelve billion, one hundred twelve million, two hundred eleven thousand, eleven".