101021012 has 12 divisors (see below), whose sum is σ = 177035040. Its totient is φ = 50439576.

The previous prime is 101021003. The next prime is 101021027. The reversal of 101021012 is 210120101.

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, 14462 + ... + 20277.

It is an arithmetic number, because the mean of its divisors is an integer number (14752920).

Almost surely, 2^101021012 is an apocalyptic number.

It is an amenable number.

101021012 is a deficient number, since it is larger than the sum of its proper divisors (76014028).

101021012 is a wasteful number, since it uses less digits than its factorization.

101021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35470 (or 35468 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 101021012 is about 10050.9209528282. The cubic root of 101021012 is about 465.7332432882.

Adding to 101021012 its reverse (210120101), we get a palindrome (311141113).

It can be divided in two parts, 1010 and 21012, that added together give a palindrome (22022).

The spelling of 101021012 in words is "one hundred one million, twenty-one thousand, twelve".