22102121210001 has 32 divisors (see below), whose sum is σ = 34399491840000. Its totient is φ = 12362317148160.

The previous prime is 22102121209999. The next prime is 22102121210021. The reversal of 22102121210001 is 10001212120122.

It is not a de Polignac number, because 22102121210001 - 2¹ = 22102121209999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22102121210021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53115376 + ... + 53529873.

It is an arithmetic number, because the mean of its divisors is an integer number (1074984120000).

Almost surely, 2^{22102121210001} is an apocalyptic number.

22102121210001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22102121210001 is a deficient number, since it is larger than the sum of its proper divisors (12297370629999).

22102121210001 is a wasteful number, since it uses less digits than its factorization.

22102121210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106645469.

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

Adding to 22102121210001 its reverse (10001212120122), we get a palindrome (32103333330123).

The spelling of 22102121210001 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-one million, two hundred ten thousand, one".