20100122111002 has 16 divisors (see below), whose sum is σ = 30221970210432. Its totient is φ = 10026147711600.

The previous prime is 20100122110979. The next prime is 20100122111081. The reversal of 20100122111002 is 20011122100102.

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, 1349853 + ... + 6482464.

It is an arithmetic number, because the mean of its divisors is an integer number (1888873138152).

Almost surely, 2^{20100122111002} is an apocalyptic number.

20100122111002 is a deficient number, since it is larger than the sum of its proper divisors (10121848099430).

20100122111002 is a wasteful number, since it uses less digits than its factorization.

20100122111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835373.

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

Adding to 20100122111002 its reverse (20011122100102), we get a palindrome (40111244211104).

The spelling of 20100122111002 in words is "twenty trillion, one hundred billion, one hundred twenty-two million, one hundred eleven thousand, two".