20100101210202 has 16 divisors (see below), whose sum is σ = 43292525683680. Its totient is φ = 6184646526192.

The previous prime is 20100101210143. The next prime is 20100101210227. The reversal of 20100101210202 is 20201210100102.

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, 128846802552 + ... + 128846802707.

It is an arithmetic number, because the mean of its divisors is an integer number (2705782855230).

Almost surely, 2^{20100101210202} is an apocalyptic number.

20100101210202 is an abundant number, since it is smaller than the sum of its proper divisors (23192424473478).

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

20100101210202 is a wasteful number, since it uses less digits than its factorization.

20100101210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257693605277.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100101210202 its reverse (20201210100102), we get a palindrome (40301311310304).

The spelling of 20100101210202 in words is "twenty trillion, one hundred billion, one hundred one million, two hundred ten thousand, two hundred two".