10000022121112 has 8 divisors (see below), whose sum is σ = 18750041477100. Its totient is φ = 5000011060552.

The previous prime is 10000022121107. The next prime is 10000022121113. The reversal of 10000022121112 is 21112122000001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10000022121112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10000022121092 and 10000022121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000022121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625001382562 + ... + 625001382577.

Almost surely, 2^{10000022121112} is an apocalyptic number.

It is an amenable number.

10000022121112 is a deficient number, since it is larger than the sum of its proper divisors (8750019355988).

10000022121112 is a wasteful number, since it uses less digits than its factorization.

10000022121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250002765145 (or 1250002765141 counting only the distinct ones).

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

Adding to 10000022121112 its reverse (21112122000001), we get a palindrome (31112144121113).

The spelling of 10000022121112 in words is "ten trillion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".