202001020121122 has 64 divisors (see below), whose sum is σ = 306515001070080. Its totient is φ = 99838771200000.

The previous prime is 202001020121119. The next prime is 202001020121123. The reversal of 202001020121122 is 221121020100202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202001020121096 and 202001020121105.

It is not an unprimeable number, because it can be changed into a prime (202001020121123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50487631122 + ... + 50487635122.

It is an arithmetic number, because the mean of its divisors is an integer number (4789296891720).

Almost surely, 2^{202001020121122} is an apocalyptic number.

202001020121122 is a deficient number, since it is larger than the sum of its proper divisors (104513980948958).

202001020121122 is a wasteful number, since it uses less digits than its factorization.

202001020121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202001020121122 its reverse (221121020100202), we get a palindrome (423122040221324).

The spelling of 202001020121122 in words is "two hundred two trillion, one billion, twenty million, one hundred twenty-one thousand, one hundred twenty-two".