101012221012 has 12 divisors (see below), whose sum is σ = 177245307316. Its totient is φ = 50370704640.

The previous prime is 101012220949. The next prime is 101012221133. The reversal of 101012221012 is 210122210101.

It can be written as a sum of positive squares in 2 ways, for example, as 60557335056 + 40454885956 = 246084^2 + 201134^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101012220983 and 101012221001.

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, 33849789 + ... + 33852772.

Almost surely, 2^101012221012 is an apocalyptic number.

It is an amenable number.

101012221012 is a deficient number, since it is larger than the sum of its proper divisors (76233086304).

101012221012 is a wasteful number, since it uses less digits than its factorization.

101012221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67702938 (or 67702936 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101012221012 its reverse (210122210101), we get a palindrome (311134431113).

The spelling of 101012221012 in words is "one hundred one billion, twelve million, two hundred twenty-one thousand, twelve".