22121013143402 has 16 divisors (see below), whose sum is σ = 34253235770112. Its totient is φ = 10703295896160.

The previous prime is 22121013143393. The next prime is 22121013143423. The reversal of 22121013143402 is 20434131012122.

It is a happy number.

It is a super-2 number, since 2×22121013143402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5407163 + ... + 8572014.

It is an arithmetic number, because the mean of its divisors is an integer number (2140827235632).

Almost surely, 2^{22121013143402} is an apocalyptic number.

22121013143402 is a deficient number, since it is larger than the sum of its proper divisors (12132222626710).

22121013143402 is a wasteful number, since it uses less digits than its factorization.

22121013143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14004733.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 22121013143402 its reverse (20434131012122), we get a palindrome (42555144155524).

The spelling of 22121013143402 in words is "twenty-two trillion, one hundred twenty-one billion, thirteen million, one hundred forty-three thousand, four hundred two".