20011022002102 has 16 divisors (see below), whose sum is σ = 31377233088000. Its totient is φ = 9553489679272.

The previous prime is 20011022002039. The next prime is 20011022002177. The reversal of 20011022002102 is 20120022011002.

It is a happy number.

It is a super-2 number, since 2×20011022002102² (a number of 27 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, 386317102 + ... + 386368897.

It is an arithmetic number, because the mean of its divisors is an integer number (1961077068000).

Almost surely, 2^{20011022002102} is an apocalyptic number.

20011022002102 is a deficient number, since it is larger than the sum of its proper divisors (11366211085898).

20011022002102 is a wasteful number, since it uses less digits than its factorization.

20011022002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772686587.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20011022002102 its reverse (20120022011002), we get a palindrome (40131044013104).

The spelling of 20011022002102 in words is "twenty trillion, eleven billion, twenty-two million, two thousand, one hundred two".