22011001210102 has 4 divisors (see below), whose sum is σ = 33016501815156. Its totient is φ = 11005500605050.

The previous prime is 22011001210097. The next prime is 22011001210103. The reversal of 22011001210102 is 20101210011022.

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

It is a super-2 number, since 2×22011001210102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011001210103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502750302524 + ... + 5502750302527.

It is an arithmetic number, because the mean of its divisors is an integer number (8254125453789).

Almost surely, 2^{22011001210102} is an apocalyptic number.

22011001210102 is a deficient number, since it is larger than the sum of its proper divisors (11005500605054).

22011001210102 is a wasteful number, since it uses less digits than its factorization.

22011001210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005500605053.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22011001210102 its reverse (20101210011022), we get a palindrome (42112211221124).

The spelling of 22011001210102 in words is "twenty-two trillion, eleven billion, one million, two hundred ten thousand, one hundred two".