1021110021122 has 16 divisors (see below), whose sum is σ = 1538150435712. Its totient is φ = 508393567680.

The previous prime is 1021110021101. The next prime is 1021110021133. The reversal of 1021110021122 is 2211200111201.

It is a super-2 number, since 2×1021110021122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021110021097 and 1021110021106.

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, 6059003 + ... + 6225249.

It is an arithmetic number, because the mean of its divisors is an integer number (96134402232).

Almost surely, 2^{1021110021122} is an apocalyptic number.

1021110021122 is a deficient number, since it is larger than the sum of its proper divisors (517040414590).

1021110021122 is a wasteful number, since it uses less digits than its factorization.

1021110021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179233.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021110021122 its reverse (2211200111201), we get a palindrome (3232310132323).

The spelling of 1021110021122 in words is "one trillion, twenty-one billion, one hundred ten million, twenty-one thousand, one hundred twenty-two".