2101202021202 has 16 divisors (see below), whose sum is σ = 4202923660320. Its totient is φ = 700314070752.

The previous prime is 2101202021183. The next prime is 2101202021221. The reversal of 2101202021202 is 2021202021012.

It is an interprime number because it is at equal distance from previous prime (2101202021183) and next prime (2101202021221).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21598168 + ... + 21695235.

It is an arithmetic number, because the mean of its divisors is an integer number (262682728770).

Almost surely, 2^{2101202021202} is an apocalyptic number.

2101202021202 is an abundant number, since it is smaller than the sum of its proper divisors (2101721639118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101202021202 is a wasteful number, since it uses less digits than its factorization.

2101202021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43301497.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2101202021202 its reverse (2021202021012), we get a palindrome (4122404042214).

It can be divided in two parts, 210120 and 2021202, that added together give a palindrome (2231322).

The spelling of 2101202021202 in words is "two trillion, one hundred one billion, two hundred two million, twenty-one thousand, two hundred two".