202102121211099 has 64 divisors (see below), whose sum is σ = 277473597262848. Its totient is φ = 130769107660800.

The previous prime is 202102121211043. The next prime is 202102121211103. The reversal of 202102121211099 is 990112121201202.

It is not a de Polignac number, because 202102121211099 - 2³⁶ = 202033401734363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202102121211299) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30286542627 + ... + 30286549299.

It is an arithmetic number, because the mean of its divisors is an integer number (4335524957232).

Almost surely, 2^{202102121211099} is an apocalyptic number.

202102121211099 is a deficient number, since it is larger than the sum of its proper divisors (75371476051749).

202102121211099 is a wasteful number, since it uses less digits than its factorization.

202102121211099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 202102121211099 in words is "two hundred two trillion, one hundred two billion, one hundred twenty-one million, two hundred eleven thousand, ninety-nine".