100202220021 has 8 divisors (see below), whose sum is σ = 133975114560. Its totient is φ = 66615402752.

The previous prime is 100202219977. The next prime is 100202220031. The reversal of 100202220021 is 120022202001.

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

It is a cyclic number.

It is not a de Polignac number, because 100202220021 - 2¹³ = 100202211829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100202219979 and 100202220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202220031) 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, 46518060 + ... + 46520213.

It is an arithmetic number, because the mean of its divisors is an integer number (16746889320).

Almost surely, 2^100202220021 is an apocalyptic number.

It is an amenable number.

100202220021 is a deficient number, since it is larger than the sum of its proper divisors (33772894539).

100202220021 is an equidigital number, since it uses as much as digits as its factorization.

100202220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93038635.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100202220021 its reverse (120022202001), we get a palindrome (220224422022).

The spelling of 100202220021 in words is "one hundred billion, two hundred two million, two hundred twenty thousand, twenty-one".