1021011121022 has 32 divisors (see below), whose sum is σ = 1563831515520. Its totient is φ = 499777143840.

The previous prime is 1021011121021. The next prime is 1021011121043. The reversal of 1021011121022 is 2201211101201.

It is a super-2 number, since 2×1021011121022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021011120988 and 1021011121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021011121021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155567513 + ... + 155574075.

It is an arithmetic number, because the mean of its divisors is an integer number (48869734860).

Almost surely, 2^{1021011121022} is an apocalyptic number.

1021011121022 is a deficient number, since it is larger than the sum of its proper divisors (542820394498).

1021011121022 is a wasteful number, since it uses less digits than its factorization.

1021011121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608.

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

Adding to 1021011121022 its reverse (2201211101201), we get a palindrome (3222222222223).

The spelling of 1021011121022 in words is "one trillion, twenty-one billion, eleven million, one hundred twenty-one thousand, twenty-two".