1220102111000 has 32 divisors (see below), whose sum is σ = 2855038942080. Its totient is φ = 488040844000.

The previous prime is 1220102110979. The next prime is 1220102111017. The reversal of 1220102111000 is 1112010221.

It is a super-2 number, since 2×1220102111000² (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 7 ways as a sum of consecutive naturals, for example, 610050056 + ... + 610052055.

It is an arithmetic number, because the mean of its divisors is an integer number (89219966940).

Almost surely, 2^{1220102111000} is an apocalyptic number.

1220102111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220102111000 is an abundant number, since it is smaller than the sum of its proper divisors (1634936831080).

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

1220102111000 is a wasteful number, since it uses less digits than its factorization.

1220102111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220102132 (or 1220102118 counting only the distinct ones).

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

Adding to 1220102111000 its reverse (1112010221), we get a palindrome (1221214121221).

The spelling of 1220102111000 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred eleven thousand".