101221021202002 has 64 divisors (see below), whose sum is σ = 164910080200320. Its totient is φ = 46594944107712.

The previous prime is 101221021201987. The next prime is 101221021202009. The reversal of 101221021202002 is 200202120122101.

It is a happy number.

It is a super-2 number, since 2×101221021202002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221021202009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2649953968 + ... + 2649992164.

It is an arithmetic number, because the mean of its divisors is an integer number (2576720003130).

Almost surely, 2^{101221021202002} is an apocalyptic number.

101221021202002 is a deficient number, since it is larger than the sum of its proper divisors (63689058998318).

101221021202002 is an equidigital number, since it uses as much as digits as its factorization.

101221021202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39804 (or 39778 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101221021202002 its reverse (200202120122101), we get a palindrome (301423141324103).

The spelling of 101221021202002 in words is "one hundred one trillion, two hundred twenty-one billion, twenty-one million, two hundred two thousand, two".