10122222121112 has 8 divisors (see below), whose sum is σ = 18979166477100. Its totient is φ = 5061111060552.

The previous prime is 10122222121097. The next prime is 10122222121133. The reversal of 10122222121112 is 21112122222101.

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

It is a super-2 number, since 2×10122222121112² (a number of 27 digits) contains 22 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, 632638882562 + ... + 632638882577.

Almost surely, 2^{10122222121112} is an apocalyptic number.

It is an amenable number.

10122222121112 is a deficient number, since it is larger than the sum of its proper divisors (8856944355988).

10122222121112 is a wasteful number, since it uses less digits than its factorization.

10122222121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265277765145 (or 1265277765141 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10122222121112 its reverse (21112122222101), we get a palindrome (31234344343213).

The spelling of 10122222121112 in words is "ten trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".