101021020012 has 24 divisors (see below), whose sum is σ = 192905254080. Its totient is φ = 45907468560.

The previous prime is 101021019989. The next prime is 101021020091. The reversal of 101021020012 is 210020120101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95238 + ... + 459469.

It is an arithmetic number, because the mean of its divisors is an integer number (8037718920).

Almost surely, 2^101021020012 is an apocalyptic number.

It is an amenable number.

101021020012 is a deficient number, since it is larger than the sum of its proper divisors (91884234068).

101021020012 is a wasteful number, since it uses less digits than its factorization.

101021020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558861 (or 558859 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101021020012 its reverse (210020120101), we get a palindrome (311041140113).

The spelling of 101021020012 in words is "one hundred one billion, twenty-one million, twenty thousand, twelve".