101210001011 has 4 divisors (see below), whose sum is σ = 115668572592. Its totient is φ = 86751429432.

The previous prime is 101210000989. The next prime is 101210001017. The reversal of 101210001011 is 110100012101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110100012101 = 19 ⋅5794737479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101210001011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101210001011.

It is not an unprimeable number, because it can be changed into a prime (101210001017) 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, 7229285780 + ... + 7229285793.

It is an arithmetic number, because the mean of its divisors is an integer number (28917143148).

Almost surely, 2^101210001011 is an apocalyptic number.

101210001011 is a deficient number, since it is larger than the sum of its proper divisors (14458571581).

101210001011 is an equidigital number, since it uses as much as digits as its factorization.

101210001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14458571580.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101210001011 its reverse (110100012101), we get a palindrome (211310013112).

The spelling of 101210001011 in words is "one hundred one billion, two hundred ten million, one thousand, eleven".