2121022201302 has 32 divisors (see below), whose sum is σ = 4756624725600. Its totient is φ = 700521092064.

The previous prime is 2121022201261. The next prime is 2121022201367. The reversal of 2121022201302 is 2031022201212.

2121022201302 is a `hidden beast` number, since 212 + 102 + 220 + 130 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180169293 + ... + 180181064.

It is an arithmetic number, because the mean of its divisors is an integer number (148644522675).

Almost surely, 2^{2121022201302} is an apocalyptic number.

2121022201302 is an abundant number, since it is smaller than the sum of its proper divisors (2635602524298).

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

2121022201302 is a wasteful number, since it uses less digits than its factorization.

2121022201302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360350477 (or 360350471 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2121022201302 its reverse (2031022201212), we get a palindrome (4152044402514).

The spelling of 2121022201302 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two hundred one thousand, three hundred two".