1022111020000 has 240 divisors, whose sum is σ = 2876717555712. Its totient is φ = 350078400000.

The previous prime is 1022111019991. The next prime is 1022111020019. The reversal of 1022111020000 is 201112201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 161136829 + ... + 161143171.

Almost surely, 2^{1022111020000} is an apocalyptic number.

1022111020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022111020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438358777856).

1022111020000 is an abundant number, since it is smaller than the sum of its proper divisors (1854606535712).

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

1022111020000 is an equidigital number, since it uses as much as digits as its factorization.

1022111020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531 (or 7508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1022111020000 its reverse (201112201), we get a palindrome (1022312132201).

It can be divided in two parts, 102211 and 1020000, that added together give a palindrome (1122211).

The spelling of 1022111020000 in words is "one trillion, twenty-two billion, one hundred eleven million, twenty thousand".