20220210221021 has 8 divisors (see below), whose sum is σ = 21100366102464. Its totient is φ = 19340139031840.

The previous prime is 20220210220943. The next prime is 20220210221053. The reversal of 20220210221021 is 12012201202202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20220210221021 - 2¹⁴ = 20220210204637 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 (20220219221021) 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, 20684936 + ... + 21640401.

It is an arithmetic number, because the mean of its divisors is an integer number (2637545762808).

Almost surely, 2^{20220210221021} is an apocalyptic number.

It is an amenable number.

20220210221021 is a deficient number, since it is larger than the sum of its proper divisors (880155881443).

20220210221021 is a wasteful number, since it uses less digits than its factorization.

20220210221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42346131.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20220210221021 its reverse (12012201202202), we get a palindrome (32232411423223).

The spelling of 20220210221021 in words is "twenty trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, twenty-one".