100121000222012 has 96 divisors (see below), whose sum is σ = 222372222933504. Its totient is φ = 38309027500800.

The previous prime is 100121000222003. The next prime is 100121000222041. The reversal of 100121000222012 is 210222000121001.

It is a super-2 number, since 2×100121000222012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7936838 + ... + 16224530.

It is an arithmetic number, because the mean of its divisors is an integer number (2316377322224).

Almost surely, 2^{100121000222012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100121000222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111186111466752).

100121000222012 is an abundant number, since it is smaller than the sum of its proper divisors (122251222711492).

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

100121000222012 is a wasteful number, since it uses less digits than its factorization.

100121000222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288419 (or 8288417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100121000222012 its reverse (210222000121001), we get a palindrome (310343000343013).

The spelling of 100121000222012 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty-two thousand, twelve".