121001210022211 has 4 divisors (see below), whose sum is σ = 121108958206792. Its totient is φ = 120893461837632.

The previous prime is 121001210022197. The next prime is 121001210022283. The reversal of 121001210022211 is 112220012100121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121001210022211 - 2⁷ = 121001210022083 is a prime.

It is a super-2 number, since 2×121001210022211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121001210029211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53874090606 + ... + 53874092851.

It is an arithmetic number, because the mean of its divisors is an integer number (30277239551698).

Almost surely, 2^{121001210022211} is an apocalyptic number.

121001210022211 is a deficient number, since it is larger than the sum of its proper divisors (107748184581).

121001210022211 is a wasteful number, since it uses less digits than its factorization.

121001210022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107748184580.

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

Adding to 121001210022211 its reverse (112220012100121), we get a palindrome (233221222122332).

The spelling of 121001210022211 in words is "one hundred twenty-one trillion, one billion, two hundred ten million, twenty-two thousand, two hundred eleven".