20101120221202 has 24 divisors (see below), whose sum is σ = 31185002878848. Its totient is φ = 9717197601960.

The previous prime is 20101120221199. The next prime is 20101120221211. The reversal of 20101120221202 is 20212202110102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2876218 + ... + 6962389.

It is an arithmetic number, because the mean of its divisors is an integer number (1299375119952).

Almost surely, 2^{20101120221202} is an apocalyptic number.

20101120221202 is a deficient number, since it is larger than the sum of its proper divisors (11083882657646).

20101120221202 is a wasteful number, since it uses less digits than its factorization.

20101120221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839734 (or 9839703 counting only the distinct ones).

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

Adding to 20101120221202 its reverse (20212202110102), we get a palindrome (40313322331304).

The spelling of 20101120221202 in words is "twenty trillion, one hundred one billion, one hundred twenty million, two hundred twenty-one thousand, two hundred two".