1020122010102 has 128 divisors (see below), whose sum is σ = 2373682268160. Its totient is φ = 289650493440.

The previous prime is 1020122010077. The next prime is 1020122010107. The reversal of 1020122010102 is 2010102210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020122010107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70800183 + ... + 70814589.

It is an arithmetic number, because the mean of its divisors is an integer number (18544392720).

Almost surely, 2^{1020122010102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020122010102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186841134080).

1020122010102 is an abundant number, since it is smaller than the sum of its proper divisors (1353560258058).

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

1020122010102 is a wasteful number, since it uses less digits than its factorization.

1020122010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020122010102 its reverse (2010102210201), we get a palindrome (3030224220303).

The spelling of 1020122010102 in words is "one trillion, twenty billion, one hundred twenty-two million, ten thousand, one hundred two".