12101121220010 has 16 divisors (see below), whose sum is σ = 21782674819296. Its totient is φ = 4840302571728.

The previous prime is 12101121219989. The next prime is 12101121220073. The reversal of 12101121220010 is 1002212110121.

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, 17890904 + ... + 18554963.

It is an arithmetic number, because the mean of its divisors is an integer number (1361417176206).

Almost surely, 2^{12101121220010} is an apocalyptic number.

12101121220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101121220010 is a deficient number, since it is larger than the sum of its proper divisors (9681553599286).

12101121220010 is a wasteful number, since it uses less digits than its factorization.

12101121220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36479077.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101121220010 its reverse (1002212110121), we get a palindrome (13103333330131).

The spelling of 12101121220010 in words is "twelve trillion, one hundred one billion, one hundred twenty-one million, two hundred twenty thousand, ten".