1022100102 has 12 divisors (see below), whose sum is σ = 2214550260. Its totient is φ = 340700028.

The previous prime is 1022100049. The next prime is 1022100109. The reversal of 1022100102 is 2010012201.

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 (1022100109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28391652 + ... + 28391687.

It is an arithmetic number, because the mean of its divisors is an integer number (184545855).

Almost surely, 2^1022100102 is an apocalyptic number.

1022100102 is an abundant number, since it is smaller than the sum of its proper divisors (1192450158).

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

1022100102 is a wasteful number, since it uses less digits than its factorization.

1022100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56783347 (or 56783344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1022100102 is about 31970.3003113828. The cubic root of 1022100102 is about 1007.3130890245.

Adding to 1022100102 its reverse (2010012201), we get a palindrome (3032112303).

It can be divided in two parts, 1022 and 100102, that added together give a square (101124 = 318²).

The spelling of 1022100102 in words is "one billion, twenty-two million, one hundred thousand, one hundred two".