102101211010 has 8 divisors (see below), whose sum is σ = 183782179836. Its totient is φ = 40840484400.

The previous prime is 102101210971. The next prime is 102101211011. The reversal of 102101211010 is 10112101201.

It can be written as a sum of positive squares in 2 ways, for example, as 94679905401 + 7421305609 = 307701^2 + 86147^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10210121101 = 102101211010 / (1 + 0 + 2 + 1 + 0 + 1 + 2 + 1 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (102101211011) 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, 5105060541 + ... + 5105060560.

Almost surely, 2^102101211010 is an apocalyptic number.

102101211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101211010 is a deficient number, since it is larger than the sum of its proper divisors (81680968826).

102101211010 is a wasteful number, since it uses less digits than its factorization.

102101211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210121108.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102101211010 its reverse (10112101201), we get a palindrome (112213312211).

The spelling of 102101211010 in words is "one hundred two billion, one hundred one million, two hundred eleven thousand, ten".