20011101202102 has 32 divisors (see below), whose sum is σ = 30375908236800. Its totient is φ = 9886602369600.

The previous prime is 20011101202087. The next prime is 20011101202111. The reversal of 20011101202102 is 20120210111002.

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, 72775977 + ... + 73050427.

It is an arithmetic number, because the mean of its divisors is an integer number (949247132400).

Almost surely, 2^{20011101202102} is an apocalyptic number.

20011101202102 is a deficient number, since it is larger than the sum of its proper divisors (10364807034698).

20011101202102 is a wasteful number, since it uses less digits than its factorization.

20011101202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275916.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20011101202102 its reverse (20120210111002), we get a palindrome (40131311313104).

The spelling of 20011101202102 in words is "twenty trillion, eleven billion, one hundred one million, two hundred two thousand, one hundred two".