20101211010110 has 32 divisors (see below), whose sum is σ = 36319307783040. Its totient is φ = 8010026041248.

The previous prime is 20101211010091. The next prime is 20101211010143. The reversal of 20101211010110 is 1101011210102.

It is a junction number, because it is equal to n+sod(n) for n = 20101211010091 and 20101211010100.

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, 10196801 + ... + 12007379.

It is an arithmetic number, because the mean of its divisors is an integer number (1134978368220).

Almost surely, 2^{20101211010110} is an apocalyptic number.

20101211010110 is a deficient number, since it is larger than the sum of its proper divisors (16218096772930).

20101211010110 is a wasteful number, since it uses less digits than its factorization.

20101211010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814792.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20101211010110 its reverse (1101011210102), we get a palindrome (21202222220212).

The spelling of 20101211010110 in words is "twenty trillion, one hundred one billion, two hundred eleven million, ten thousand, one hundred ten".