1012032101 has 4 divisors (see below), whose sum is σ = 1012113792. Its totient is φ = 1011950412.

The previous prime is 1012032097. The next prime is 1012032121. The reversal of 1012032101 is 1012302101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1012032101 - 2² = 1012032097 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 (1012032121) 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, 18005 + ... + 48458.

It is an arithmetic number, because the mean of its divisors is an integer number (253028448).

Almost surely, 2^1012032101 is an apocalyptic number.

It is an amenable number.

1012032101 is a deficient number, since it is larger than the sum of its proper divisors (81691).

1012032101 is an equidigital number, since it uses as much as digits as its factorization.

1012032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81690.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1012032101 is about 31812.4519803174. The cubic root of 1012032101 is about 1003.9947212862.

Adding to 1012032101 its reverse (1012302101), we get a palindrome (2024334202).

The spelling of 1012032101 in words is "one billion, twelve million, thirty-two thousand, one hundred one".