10202121120122 has 16 divisors (see below), whose sum is σ = 15681380343552. Its totient is φ = 4975072915680.

The previous prime is 10202121120053. The next prime is 10202121120131. The reversal of 10202121120122 is 22102112120201.

It is a self number, because there is not a number n which added to its sum of digits gives 10202121120122.

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, 19382888 + ... + 19902275.

It is an arithmetic number, because the mean of its divisors is an integer number (980086271472).

Almost surely, 2^{10202121120122} is an apocalyptic number.

10202121120122 is a deficient number, since it is larger than the sum of its proper divisors (5479259223430).

10202121120122 is a wasteful number, since it uses less digits than its factorization.

10202121120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39288373.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10202121120122 its reverse (22102112120201), we get a palindrome (32304233240323).

The spelling of 10202121120122 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".