1021212110022 has 32 divisors (see below), whose sum is σ = 2199913134048. Its totient is φ = 314164916736.

The previous prime is 1021212110011. The next prime is 1021212110033. The reversal of 1021212110022 is 2200112121201.

It is an interprime number because it is at equal distance from previous prime (1021212110011) and next prime (1021212110033).

It is a junction number, because it is equal to n+sod(n) for n = 1021212109983 and 1021212110010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672723 + ... + 1579550.

It is an arithmetic number, because the mean of its divisors is an integer number (68747285439).

Almost surely, 2^{1021212110022} is an apocalyptic number.

1021212110022 is an abundant number, since it is smaller than the sum of its proper divisors (1178701024026).

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

1021212110022 is a wasteful number, since it uses less digits than its factorization.

1021212110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258104.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021212110022 its reverse (2200112121201), we get a palindrome (3221324231223).

The spelling of 1021212110022 in words is "one trillion, twenty-one billion, two hundred twelve million, one hundred ten thousand, twenty-two".