102120021202002 has 32 divisors (see below), whose sum is σ = 216257734764864. Its totient is φ = 32037124492800.

The previous prime is 102120021201983. The next prime is 102120021202009. The reversal of 102120021202002 is 200202120021201.

It is not an unprimeable number, because it can be changed into a prime (102120021202009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041024 + ... + 14436267.

It is an arithmetic number, because the mean of its divisors is an integer number (6758054211402).

Almost surely, 2^{102120021202002} is an apocalyptic number.

102120021202002 is an abundant number, since it is smaller than the sum of its proper divisors (114137713562862).

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

102120021202002 is a wasteful number, since it uses less digits than its factorization.

102120021202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16538074.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102120021202002 its reverse (200202120021201), we get a palindrome (302322141223203).

The spelling of 102120021202002 in words is "one hundred two trillion, one hundred twenty billion, twenty-one million, two hundred two thousand, two".