302121020102 has 16 divisors (see below), whose sum is σ = 498915450000. Its totient is φ = 136067847840.

The previous prime is 302121020093. The next prime is 302121020197. The reversal of 302121020102 is 201020121203.

It is a happy number.

It is a super-2 number, since 2×302121020102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 62991977 + ... + 62996772.

It is an arithmetic number, because the mean of its divisors is an integer number (31182215625).

Almost surely, 2^302121020102 is an apocalyptic number.

302121020102 is a deficient number, since it is larger than the sum of its proper divisors (196794429898).

302121020102 is a wasteful number, since it uses less digits than its factorization.

302121020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125988871.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 302121020102 its reverse (201020121203), we get a palindrome (503141141305).

The spelling of 302121020102 in words is "three hundred two billion, one hundred twenty-one million, twenty thousand, one hundred two".