10101102121012 has 12 divisors (see below), whose sum is σ = 20202204242080. Its totient is φ = 4329043766136.

The previous prime is 10101102120929. The next prime is 10101102121043. The reversal of 10101102121012 is 21012120110101.

It is a happy number.

10101102121012 is an admirable number.

It is a super-2 number, since 2×10101102121012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10101102120983 and 10101102121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180376823562 + ... + 180376823617.

Almost surely, 2^{10101102121012} is an apocalyptic number.

It is an amenable number.

10101102121012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101102121012 is a wasteful number, since it uses less digits than its factorization.

10101102121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360753647190 (or 360753647188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101102121012 its reverse (21012120110101), we get a palindrome (31113222231113).

The spelling of 10101102121012 in words is "ten trillion, one hundred one billion, one hundred two million, one hundred twenty-one thousand, twelve".