1021011010122 has 16 divisors (see below), whose sum is σ = 2076632563680. Its totient is φ = 334568579472.

The previous prime is 1021011010121. The next prime is 1021011010273. The reversal of 1021011010122 is 2210101101201.

It is a junction number, because it is equal to n+sod(n) for n = 1021011010098 and 1021011010107.

It is not an unprimeable number, because it can be changed into a prime (1021011010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442105593 + ... + 1442106300.

It is an arithmetic number, because the mean of its divisors is an integer number (129789535230).

Almost surely, 2^{1021011010122} is an apocalyptic number.

1021011010122 is an abundant number, since it is smaller than the sum of its proper divisors (1055621553558).

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

1021011010122 is a wasteful number, since it uses less digits than its factorization.

1021011010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884211957.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021011010122 its reverse (2210101101201), we get a palindrome (3231112111323).

The spelling of 1021011010122 in words is "one trillion, twenty-one billion, eleven million, ten thousand, one hundred twenty-two".