1020212112102 has 48 divisors (see below), whose sum is σ = 2104276349808. Its totient is φ = 329633636800.

The previous prime is 1020212112097. The next prime is 1020212112107. The reversal of 1020212112102 is 2012112120201.

It is an interprime number because it is at equal distance from previous prime (1020212112097) and next prime (1020212112107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212112107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1957852 + ... + 2423552.

It is an arithmetic number, because the mean of its divisors is an integer number (43839090621).

Almost surely, 2^{1020212112102} is an apocalyptic number.

1020212112102 is an abundant number, since it is smaller than the sum of its proper divisors (1084064237706).

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

1020212112102 is an equidigital number, since it uses as much as digits as its factorization.

1020212112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465925 (or 465842 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1020212112102 its reverse (2012112120201), we get a palindrome (3032324232303).

The spelling of 1020212112102 in words is "one trillion, twenty billion, two hundred twelve million, one hundred twelve thousand, one hundred two".