1022010100221 has 16 divisors (see below), whose sum is σ = 1487883939840. Its totient is φ = 618848479920.

The previous prime is 1022010100127. The next prime is 1022010100249. The reversal of 1022010100221 is 1220010102201.

It is not a de Polignac number, because 1022010100221 - 2²⁵ = 1021976545789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022010100197 and 1022010100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022010100421) 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, 13751901 + ... + 13826018.

It is an arithmetic number, because the mean of its divisors is an integer number (92992746240).

Almost surely, 2^{1022010100221} is an apocalyptic number.

1022010100221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022010100221 is a deficient number, since it is larger than the sum of its proper divisors (465873839619).

1022010100221 is a wasteful number, since it uses less digits than its factorization.

1022010100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27579056.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1022010100221 its reverse (1220010102201), we get a palindrome (2242020202422).

The spelling of 1022010100221 in words is "one trillion, twenty-two billion, ten million, one hundred thousand, two hundred twenty-one".