220200102101002 has 4 divisors (see below), whose sum is σ = 330300153151506. Its totient is φ = 110100051050500.

The previous prime is 220200102100999. The next prime is 220200102101009. The reversal of 220200102101002 is 200101201002022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 184856137784761 + 35343964316241 = 13596181^2 + 5945079^2 .

It is not an unprimeable number, because it can be changed into a prime (220200102101009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050025525249 + ... + 55050025525252.

Almost surely, 2^{220200102101002} is an apocalyptic number.

220200102101002 is a deficient number, since it is larger than the sum of its proper divisors (110100051050504).

220200102101002 is a wasteful number, since it uses less digits than its factorization.

220200102101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110100051050503.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220200102101002 its reverse (200101201002022), we get a palindrome (420301303103024).

The spelling of 220200102101002 in words is "two hundred twenty trillion, two hundred billion, one hundred two million, one hundred one thousand, two".