1021111101122 has 64 divisors (see below), whose sum is σ = 1766904834816. Its totient is φ = 433537843200.

The previous prime is 1021111101107. The next prime is 1021111101137. The reversal of 1021111101122 is 2211011111201.

It is an interprime number because it is at equal distance from previous prime (1021111101107) and next prime (1021111101137).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1021111101097 and 1021111101106.

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, 703728497 + ... + 703729947.

It is an arithmetic number, because the mean of its divisors is an integer number (27607888044).

Almost surely, 2^{1021111101122} is an apocalyptic number.

1021111101122 is a deficient number, since it is larger than the sum of its proper divisors (745793733694).

1021111101122 is a wasteful number, since it uses less digits than its factorization.

1021111101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

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

Adding to 1021111101122 its reverse (2211011111201), we get a palindrome (3232122212323).

The spelling of 1021111101122 in words is "one trillion, twenty-one billion, one hundred eleven million, one hundred one thousand, one hundred twenty-two".