1012202101 has 8 divisors (see below), whose sum is σ = 1056613824. Its totient is φ = 967824000.

The previous prime is 1012202071. The next prime is 1012202119. The reversal of 1012202101 is 1012022101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012202101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012202201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68005 + ... + 81541.

It is an arithmetic number, because the mean of its divisors is an integer number (132076728).

Almost surely, 2^1012202101 is an apocalyptic number.

It is an amenable number.

1012202101 is a deficient number, since it is larger than the sum of its proper divisors (44411723).

1012202101 is a wasteful number, since it uses less digits than its factorization.

1012202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16811.

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

The square root of 1012202101 is about 31815.1237778513. The cubic root of 1012202101 is about 1004.0509347688.

Adding to 1012202101 its reverse (1012022101), we get a palindrome (2024224202).

The spelling of 1012202101 in words is "one billion, twelve million, two hundred two thousand, one hundred one".