102021211130202 has 288 divisors, whose sum is σ = 279846140176512. Its totient is φ = 26157205283328.

The previous prime is 102021211130191. The next prime is 102021211130203. The reversal of 102021211130202 is 202031112120201.

102021211130202 is a `hidden beast` number, since 10 + 202 + 121 + 1 + 130 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102021211130203) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2720039133 + ... + 2720076639.

It is an arithmetic number, because the mean of its divisors is an integer number (971687986724).

Almost surely, 2^{102021211130202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102021211130202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139923070088256).

102021211130202 is an abundant number, since it is smaller than the sum of its proper divisors (177824929046310).

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

102021211130202 is a wasteful number, since it uses less digits than its factorization.

102021211130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38822 (or 38782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102021211130202 its reverse (202031112120201), we get a palindrome (304052323250403).

The spelling of 102021211130202 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, one hundred thirty thousand, two hundred two".