10200121122 has 16 divisors (see below), whose sum is σ = 20897809632. Its totient is φ = 3317112480.

The previous prime is 10200121073. The next prime is 10200121133. The reversal of 10200121122 is 22112100201.

It is a junction number, because it is equal to n+sod(n) for n = 10200121098 and 10200121107.

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, 20731708 + ... + 20732199.

It is an arithmetic number, because the mean of its divisors is an integer number (1306113102).

Almost surely, 2^10200121122 is an apocalyptic number.

10200121122 is an abundant number, since it is smaller than the sum of its proper divisors (10697688510).

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

10200121122 is a wasteful number, since it uses less digits than its factorization.

10200121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41463953.

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

Adding to 10200121122 its reverse (22112100201), we get a palindrome (32312221323).

The spelling of 10200121122 in words is "ten billion, two hundred million, one hundred twenty-one thousand, one hundred twenty-two".