2102012010122 has 4 divisors (see below), whose sum is σ = 3153018015186. Its totient is φ = 1051006005060.

The previous prime is 2102012010103. The next prime is 2102012010139. The reversal of 2102012010122 is 2210102102012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1980664984321 + 121347025801 = 1407361^2 + 348349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102012010097 and 2102012010106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525503002529 + ... + 525503002532.

Almost surely, 2^{2102012010122} is an apocalyptic number.

2102012010122 is a deficient number, since it is larger than the sum of its proper divisors (1051006005064).

2102012010122 is a wasteful number, since it uses less digits than its factorization.

2102012010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051006005063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102012010122 its reverse (2210102102012), we get a palindrome (4312114112134).

The spelling of 2102012010122 in words is "two trillion, one hundred two billion, twelve million, ten thousand, one hundred twenty-two".