2212210121001 has 16 divisors (see below), whose sum is σ = 2960977130496. Its totient is φ = 1469125492496.

The previous prime is 2212210120999. The next prime is 2212210121041. The reversal of 2212210121001 is 1001210122122.

It is a cyclic number.

It is not a de Polignac number, because 2212210121001 - 2¹ = 2212210120999 is a prime.

It is a super-2 number, since 2×2212210121001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212210121041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18943276 + ... + 19059698.

It is an arithmetic number, because the mean of its divisors is an integer number (185061070656).

Almost surely, 2^{2212210121001} is an apocalyptic number.

It is an amenable number.

2212210121001 is a deficient number, since it is larger than the sum of its proper divisors (748767009495).

2212210121001 is a wasteful number, since it uses less digits than its factorization.

2212210121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140772.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2212210121001 its reverse (1001210122122), we get a palindrome (3213420243123).

The spelling of 2212210121001 in words is "two trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, one".