121012101022211 has 12 divisors (see below), whose sum is σ = 140769770062968. Its totient is φ = 103724222307552.

The previous prime is 121012101022207. The next prime is 121012101022231. The reversal of 121012101022211 is 112220101210121.

It is not a de Polignac number, because 121012101022211 - 2² = 121012101022207 is a prime.

It is a super-2 number, since 2×121012101022211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121012101022211.

It is not an unprimeable number, because it can be changed into a prime (121012101022231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6880415 + ... + 17010711.

It is an arithmetic number, because the mean of its divisors is an integer number (11730814171914).

Almost surely, 2^{121012101022211} is an apocalyptic number.

121012101022211 is a deficient number, since it is larger than the sum of its proper divisors (19757669040757).

121012101022211 is a wasteful number, since it uses less digits than its factorization.

121012101022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10374098 (or 10374091 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012101022211 its reverse (112220101210121), we get a palindrome (233232202232332).

The spelling of 121012101022211 in words is "one hundred twenty-one trillion, twelve billion, one hundred one million, twenty-two thousand, two hundred eleven".