10220101220021 has 16 divisors (see below), whose sum is σ = 13181321773440. Its totient is φ = 7689104364480.

The previous prime is 10220101219973. The next prime is 10220101220081. The reversal of 10220101220021 is 12002210102201.

It is not a de Polignac number, because 10220101220021 - 2¹⁰ = 10220101218997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220101219978 and 10220101220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220101220081) 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, 2288421686 + ... + 2288426151.

It is an arithmetic number, because the mean of its divisors is an integer number (823832610840).

Almost surely, 2^{10220101220021} is an apocalyptic number.

10220101220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220101220021 is a deficient number, since it is larger than the sum of its proper divisors (2961220553419).

10220101220021 is a wasteful number, since it uses less digits than its factorization.

10220101220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576847884.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10220101220021 its reverse (12002210102201), we get a palindrome (22222311322222).

The spelling of 10220101220021 in words is "ten trillion, two hundred twenty billion, one hundred one million, two hundred twenty thousand, twenty-one".