20101120210102 has 16 divisors (see below), whose sum is σ = 30208720075632. Its totient is φ = 10031548459680.

The previous prime is 20101120210069. The next prime is 20101120210121. The reversal of 20101120210102 is 20101202110102.

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, 25390968 + ... + 26170660.

It is an arithmetic number, because the mean of its divisors is an integer number (1888045004727).

Almost surely, 2^{20101120210102} is an apocalyptic number.

20101120210102 is a deficient number, since it is larger than the sum of its proper divisors (10107599865530).

20101120210102 is a wasteful number, since it uses less digits than its factorization.

20101120210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804063.

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

Adding to 20101120210102 its reverse (20101202110102), we get a palindrome (40202322320204).

The spelling of 20101120210102 in words is "twenty trillion, one hundred one billion, one hundred twenty million, two hundred ten thousand, one hundred two".