101021222012 has 12 divisors (see below), whose sum is σ = 184473536016. Its totient is φ = 48314497440.

The previous prime is 101021221997. The next prime is 101021222017. The reversal of 101021222012 is 210222120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021222017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549028289 + ... + 549028472.

It is an arithmetic number, because the mean of its divisors is an integer number (15372794668).

Almost surely, 2^101021222012 is an apocalyptic number.

It is an amenable number.

101021222012 is a deficient number, since it is larger than the sum of its proper divisors (83452314004).

101021222012 is a wasteful number, since it uses less digits than its factorization.

101021222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098056788 (or 1098056786 counting only the distinct ones).

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

Adding to 101021222012 its reverse (210222120101), we get a palindrome (311243342113).

The spelling of 101021222012 in words is "one hundred one billion, twenty-one million, two hundred twenty-two thousand, twelve".