10101211002 has 64 divisors (see below), whose sum is σ = 22589280000. Its totient is φ = 3345827904.

The previous prime is 10101210997. The next prime is 10101211013. The reversal of 10101211002 is 20011210101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6764968 + ... + 6766460.

It is an arithmetic number, because the mean of its divisors is an integer number (352957500).

Almost surely, 2^10101211002 is an apocalyptic number.

10101211002 is an abundant number, since it is smaller than the sum of its proper divisors (12488068998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101211002 is a wasteful number, since it uses less digits than its factorization.

10101211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10101211002 its reverse (20011210101), we get a palindrome (30112421103).

Subtracting 10101211002 from its reverse (20011210101), we obtain a palindrome (9909999099).

The spelling of 10101211002 in words is "ten billion, one hundred one million, two hundred eleven thousand, two".