1022101010021 has 16 divisors (see below), whose sum is σ = 1259339424000. Its totient is φ = 807815265408.

The previous prime is 1022101010009. The next prime is 1022101010071. The reversal of 1022101010021 is 1200101012201.

It is a cyclic number.

It is not a de Polignac number, because 1022101010021 - 2²⁶ = 1022033901157 is a prime.

It is a super-3 number, since 3×1022101010021³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022101009984 and 1022101010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022101010071) 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, 6027296 + ... + 6194553.

It is an arithmetic number, because the mean of its divisors is an integer number (78708714000).

Almost surely, 2^{1022101010021} is an apocalyptic number.

It is an amenable number.

1022101010021 is a deficient number, since it is larger than the sum of its proper divisors (237238413979).

1022101010021 is a wasteful number, since it uses less digits than its factorization.

1022101010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222788.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1022101010021 its reverse (1200101012201), we get a palindrome (2222202022222).

The spelling of 1022101010021 in words is "one trillion, twenty-two billion, one hundred one million, ten thousand, twenty-one".