20100012021122 has 32 divisors (see below), whose sum is σ = 33331712880960. Its totient is φ = 9014368718080.

The previous prime is 20100012021121. The next prime is 20100012021163. The reversal of 20100012021122 is 22112021000102.

It is a junction number, because it is equal to n+sod(n) for n = 20100012021097 and 20100012021106.

It is not an unprimeable number, because it can be changed into a prime (20100012021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10076603 + ... + 11905374.

It is an arithmetic number, because the mean of its divisors is an integer number (1041616027530).

Almost surely, 2^{20100012021122} is an apocalyptic number.

20100012021122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20100012021122 is a deficient number, since it is larger than the sum of its proper divisors (13231700859838).

20100012021122 is a wasteful number, since it uses less digits than its factorization.

20100012021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982546.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20100012021122 its reverse (22112021000102), we get a palindrome (42212033021224).

The spelling of 20100012021122 in words is "twenty trillion, one hundred billion, twelve million, twenty-one thousand, one hundred twenty-two".