22101010121012 has 6 divisors (see below), whose sum is σ = 38676767711778. Its totient is φ = 11050505060504.

The previous prime is 22101010120999. The next prime is 22101010121077. The reversal of 22101010121012 is 21012101010122.

It can be written as a sum of positive squares in only one way, i.e., 19917690629776 + 2183319491236 = 4462924^2 + 1477606^2 .

It is a super-3 number, since 3×22101010121012³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762626265123 + ... + 2762626265130.

It is an arithmetic number, because the mean of its divisors is an integer number (6446127951963).

Almost surely, 2^{22101010121012} is an apocalyptic number.

It is an amenable number.

22101010121012 is a deficient number, since it is larger than the sum of its proper divisors (16575757590766).

22101010121012 is a wasteful number, since it uses less digits than its factorization.

22101010121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525252530257 (or 5525252530255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22101010121012 its reverse (21012101010122), we get a palindrome (43113111131134).

The spelling of 22101010121012 in words is "twenty-two trillion, one hundred one billion, ten million, one hundred twenty-one thousand, twelve".