202210122220021 has 16 divisors (see below), whose sum is σ = 205745396647680. Its totient is φ = 198678469341760.

The previous prime is 202210122219871. The next prime is 202210122220061. The reversal of 202210122220021 is 120022221012202.

It is a cyclic number.

It is not a de Polignac number, because 202210122220021 - 2¹⁵ = 202210122187253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210122220061) 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, 1120578615 + ... + 1120759051.

It is an arithmetic number, because the mean of its divisors is an integer number (12859087290480).

Almost surely, 2^{202210122220021} is an apocalyptic number.

It is an amenable number.

202210122220021 is a deficient number, since it is larger than the sum of its proper divisors (3535274427659).

202210122220021 is a wasteful number, since it uses less digits than its factorization.

202210122220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190364.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202210122220021 its reverse (120022221012202), we get a palindrome (322232343232223).

The spelling of 202210122220021 in words is "two hundred two trillion, two hundred ten billion, one hundred twenty-two million, two hundred twenty thousand, twenty-one".