20101102122 has 8 divisors (see below), whose sum is σ = 40202204256. Its totient is φ = 6700367372.

The previous prime is 20101102121. The next prime is 20101102163. The reversal of 20101102122 is 22120110102.

It is a sphenic number, since it is the product of 3 distinct primes.

20101102122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20101102098 and 20101102107.

It is not an unprimeable number, because it can be changed into a prime (20101102121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675091838 + ... + 1675091849.

It is an arithmetic number, because the mean of its divisors is an integer number (5025275532).

Almost surely, 2^20101102122 is an apocalyptic number.

20101102122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101102122 is a wasteful number, since it uses less digits than its factorization.

20101102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350183692.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20101102122 its reverse (22120110102), we get a palindrome (42221212224).

The spelling of 20101102122 in words is "twenty billion, one hundred one million, one hundred two thousand, one hundred twenty-two".