21203033200102 has 32 divisors (see below), whose sum is σ = 35414356076064. Its totient is φ = 9458104569600.

The previous prime is 21203033200049. The next prime is 21203033200127. The reversal of 21203033200102 is 20100233030212.

It is a self number, because there is not a number n which added to its sum of digits gives 21203033200102.

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, 92831149 + ... + 93059272.

It is an arithmetic number, because the mean of its divisors is an integer number (1106698627377).

Almost surely, 2^{21203033200102} is an apocalyptic number.

21203033200102 is a deficient number, since it is larger than the sum of its proper divisors (14211322875962).

21203033200102 is a wasteful number, since it uses less digits than its factorization.

21203033200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185890584.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21203033200102 its reverse (20100233030212), we get a palindrome (41303266230314).

The spelling of 21203033200102 in words is "twenty-one trillion, two hundred three billion, thirty-three million, two hundred thousand, one hundred two".