22102021212201 has 48 divisors (see below), whose sum is σ = 37473175808640. Its totient is φ = 12290152654080.

The previous prime is 22102021212191. The next prime is 22102021212203. The reversal of 22102021212201 is 10221212020122.

It is a happy number.

22102021212201 is a `hidden beast` number, since 2 + 210 + 20 + 21 + 212 + 201 = 666.

It is not a de Polignac number, because 22102021212201 - 2¹¹ = 22102021210153 is a prime.

It is a super-2 number, since 2×22102021212201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22102021212203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14436220 + ... + 15893661.

It is an arithmetic number, because the mean of its divisors is an integer number (780691162680).

Almost surely, 2^{22102021212201} is an apocalyptic number.

22102021212201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22102021212201 is a deficient number, since it is larger than the sum of its proper divisors (15371154596439).

22102021212201 is a wasteful number, since it uses less digits than its factorization.

22102021212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30330206 (or 30330203 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22102021212201 its reverse (10221212020122), we get a palindrome (32323233232323).

The spelling of 22102021212201 in words is "twenty-two trillion, one hundred two billion, twenty-one million, two hundred twelve thousand, two hundred one".