1022012200111 has 12 divisors (see below), whose sum is σ = 1188917811768. Its totient is φ = 875976211152.

The previous prime is 1022012200073. The next prime is 1022012200277. The reversal of 1022012200111 is 1110022102201.

It is not a de Polignac number, because 1022012200111 - 2²⁵ = 1021978645679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022012200091 and 1022012200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022012203111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 900940 + ... + 1689886.

It is an arithmetic number, because the mean of its divisors is an integer number (99076484314).

Almost surely, 2^{1022012200111} is an apocalyptic number.

1022012200111 is a deficient number, since it is larger than the sum of its proper divisors (166905611657).

1022012200111 is an equidigital number, since it uses as much as digits as its factorization.

1022012200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815398 (or 815391 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1022012200111 its reverse (1110022102201), we get a palindrome (2132034302312).

The spelling of 1022012200111 in words is "one trillion, twenty-two billion, twelve million, two hundred thousand, one hundred eleven".