12121102202011 has 8 divisors (see below), whose sum is σ = 14000845324464. Its totient is φ = 10370996536320.

The previous prime is 12121102201981. The next prime is 12121102202017. The reversal of 12121102202011 is 11020220112121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12121102202011 - 2⁷ = 12121102201883 is a prime.

It is a super-2 number, since 2×12121102202011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121102202017) 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, 32409363990 + ... + 32409364363.

It is an arithmetic number, because the mean of its divisors is an integer number (1750105665558).

Almost surely, 2^{12121102202011} is an apocalyptic number.

12121102202011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12121102202011 is a deficient number, since it is larger than the sum of its proper divisors (1879743122453).

12121102202011 is a wasteful number, since it uses less digits than its factorization.

12121102202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64818728381.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12121102202011 its reverse (11020220112121), we get a palindrome (23141322314132).

The spelling of 12121102202011 in words is "twelve trillion, one hundred twenty-one billion, one hundred two million, two hundred two thousand, eleven".