1021010100122 has 8 divisors (see below), whose sum is σ = 1537474353876. Its totient is φ = 508518648832.

The previous prime is 1021010100079. The next prime is 1021010100161. The reversal of 1021010100122 is 2210010101201.

It can be written as a sum of positive squares in 2 ways, for example, as 1009022259001 + 11987841121 = 1004501^2 + 109489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1021010100122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993199973 + ... + 993201000.

Almost surely, 2^{1021010100122} is an apocalyptic number.

1021010100122 is a deficient number, since it is larger than the sum of its proper divisors (516464253754).

1021010100122 is a wasteful number, since it uses less digits than its factorization.

1021010100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986401232.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1021010100122 its reverse (2210010101201), we get a palindrome (3231020201323).

The spelling of 1021010100122 in words is "one trillion, twenty-one billion, ten million, one hundred thousand, one hundred twenty-two".