101020221221012 has 12 divisors (see below), whose sum is σ = 179423975004960. Its totient is φ = 49756228362456.

The previous prime is 101020221220973. The next prime is 101020221221041. The reversal of 101020221221012 is 210122122020101.

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, 188470561712 + ... + 188470562247.

It is an arithmetic number, because the mean of its divisors is an integer number (14951997917080).

Almost surely, 2^{101020221221012} is an apocalyptic number.

It is an amenable number.

101020221221012 is a deficient number, since it is larger than the sum of its proper divisors (78403753783948).

101020221221012 is a wasteful number, since it uses less digits than its factorization.

101020221221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376941124030 (or 376941124028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101020221221012 its reverse (210122122020101), we get a palindrome (311142343241113).

The spelling of 101020221221012 in words is "one hundred one trillion, twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, twelve".