101121121022012 has 36 divisors (see below), whose sum is σ = 221688611476920. Its totient is φ = 40003959963744.

The previous prime is 101121121022011. The next prime is 101121121022017. The reversal of 101121121022012 is 210220121121101.

It is a super-2 number, since 2×101121121022012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121121022011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19843231562 + ... + 19843236657.

It is an arithmetic number, because the mean of its divisors is an integer number (6158016985470).

Almost surely, 2^{101121121022012} is an apocalyptic number.

It is an amenable number.

101121121022012 is an abundant number, since it is smaller than the sum of its proper divisors (120567490454908).

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

101121121022012 is a wasteful number, since it uses less digits than its factorization.

101121121022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39686468250 (or 39686468241 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101121121022012 its reverse (210220121121101), we get a palindrome (311341242143113).

The spelling of 101121121022012 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand, twelve".