22101012121012 has 24 divisors (see below), whose sum is σ = 42215685462720. Its totient is φ = 10040475519360.

The previous prime is 22101012120953. The next prime is 22101012121031. The reversal of 22101012121012 is 21012121010122.

It is a congruent number.

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, 135894837 + ... + 136057372.

It is an arithmetic number, because the mean of its divisors is an integer number (1758986894280).

Almost surely, 2^{22101012121012} is an apocalyptic number.

22101012121012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22101012121012 is a deficient number, since it is larger than the sum of its proper divisors (20114673341708).

22101012121012 is a wasteful number, since it uses less digits than its factorization.

22101012121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271954071 (or 271954069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22101012121012 its reverse (21012121010122), we get a palindrome (43113133131134).

The spelling of 22101012121012 in words is "twenty-two trillion, one hundred one billion, twelve million, one hundred twenty-one thousand, twelve".