201202120101021 has 8 divisors (see below), whose sum is σ = 288905608350240. Its totient is φ = 123816689292912.

The previous prime is 201202120101013. The next prime is 201202120101029. The reversal of 201202120101021 is 120101021202102.

It is an interprime number because it is at equal distance from previous prime (201202120101013) and next prime (201202120101029).

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

It is not a de Polignac number, because 201202120101021 - 2³ = 201202120101013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202120101029) 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, 2579514360231 + ... + 2579514360308.

It is an arithmetic number, because the mean of its divisors is an integer number (36113201043780).

Almost surely, 2^{201202120101021} is an apocalyptic number.

It is an amenable number.

201202120101021 is a deficient number, since it is larger than the sum of its proper divisors (87703488249219).

201202120101021 is a wasteful number, since it uses less digits than its factorization.

201202120101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159028720555.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201202120101021 its reverse (120101021202102), we get a palindrome (321303141303123).

The spelling of 201202120101021 in words is "two hundred one trillion, two hundred two billion, one hundred twenty million, one hundred one thousand, twenty-one".