1222010111000 has 128 divisors (see below), whose sum is σ = 3373424271360. Its totient is φ = 405459504000.

The previous prime is 1222010110967. The next prime is 1222010111029. The reversal of 1222010111000 is 1110102221.

It is a super-2 number, since 2×1222010111000² (a number of 25 digits) contains 22 as substring.

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, 2598692 + ... + 3032691.

It is an arithmetic number, because the mean of its divisors is an integer number (26354877120).

Almost surely, 2^{1222010111000} is an apocalyptic number.

1222010111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222010111000 is an abundant number, since it is smaller than the sum of its proper divisors (2151414160360).

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

1222010111000 is a wasteful number, since it uses less digits than its factorization.

1222010111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631442 (or 5631428 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1222010111000 its reverse (1110102221), we get a palindrome (1223120213221).

The spelling of 1222010111000 in words is "one trillion, two hundred twenty-two billion, ten million, one hundred eleven thousand".