1011210102 has 64 divisors (see below), whose sum is σ = 2627919360. Its totient is φ = 282193632.

The previous prime is 1011210073. The next prime is 1011210103. The reversal of 1011210102 is 2010121101.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011210103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14853 + ... + 47360.

It is an arithmetic number, because the mean of its divisors is an integer number (41061240).

Almost surely, 2^1011210102 is an apocalyptic number.

1011210102 is an abundant number, since it is smaller than the sum of its proper divisors (1616709258).

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

1011210102 is a wasteful number, since it uses less digits than its factorization.

1011210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62274 (or 62268 counting only the distinct ones).

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

The square root of 1011210102 is about 31799.5299021857. The cubic root of 1011210102 is about 1003.7228240490.

Adding to 1011210102 its reverse (2010121101), we get a palindrome (3021331203).

The spelling of 1011210102 in words is "one billion, eleven million, two hundred ten thousand, one hundred two".