121002211011 has 8 divisors (see below), whose sum is σ = 176003216064. Its totient is φ = 73334673320.

The previous prime is 121002211007. The next prime is 121002211027. The reversal of 121002211011 is 110112200121.

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 121002211011 - 2² = 121002211007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121002212011) 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, 1833366801 + ... + 1833366866.

It is an arithmetic number, because the mean of its divisors is an integer number (22000402008).

Almost surely, 2^121002211011 is an apocalyptic number.

121002211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121002211011 is a deficient number, since it is larger than the sum of its proper divisors (55001005053).

121002211011 is a wasteful number, since it uses less digits than its factorization.

121002211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666733681.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121002211011 its reverse (110112200121), we get a palindrome (231114411132).

The spelling of 121002211011 in words is "one hundred twenty-one billion, two million, two hundred eleven thousand, eleven".