20101400122 has 16 divisors (see below), whose sum is σ = 31211481600. Its totient is φ = 9699379920.

The previous prime is 20101400119. The next prime is 20101400149. The reversal of 20101400122 is 22100410102.

It is a happy number.

It is a super-2 number, since 2×20101400122² (a number of 21 digits) contains 22 as substring.

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, 429297 + ... + 473812.

It is an arithmetic number, because the mean of its divisors is an integer number (1950717600).

Almost surely, 2^20101400122 is an apocalyptic number.

20101400122 is a deficient number, since it is larger than the sum of its proper divisors (11110081478).

20101400122 is a wasteful number, since it uses less digits than its factorization.

20101400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903501.

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

Adding to 20101400122 its reverse (22100410102), we get a palindrome (42201810224).

The spelling of 20101400122 in words is "twenty billion, one hundred one million, four hundred thousand, one hundred twenty-two".