10122120111010 has 16 divisors (see below), whose sum is σ = 18219934438200. Its totient is φ = 4048821769216.

The previous prime is 10122120110981. The next prime is 10122120111017. The reversal of 10122120111010 is 1011102122101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9608617449729 + 513502661281 = 3099777^2 + 716591^2 .

It is not an unprimeable number, because it can be changed into a prime (10122120111017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626565 + ... + 4784344.

Almost surely, 2^{10122120111010} is an apocalyptic number.

10122120111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10122120111010 is a deficient number, since it is larger than the sum of its proper divisors (8097814327190).

10122120111010 is a wasteful number, since it uses less digits than its factorization.

10122120111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568805.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10122120111010 its reverse (1011102122101), we get a palindrome (11133222233111).

The spelling of 10122120111010 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, ten".