1012020101122 has 4 divisors (see below), whose sum is σ = 1518030151686. Its totient is φ = 506010050560.

The previous prime is 1012020101089. The next prime is 1012020101123. The reversal of 1012020101122 is 2211010202101.

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., 889401772561 + 122618328561 = 943081^2 + 350169^2 .

It is not an unprimeable number, because it can be changed into a prime (1012020101123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253005025279 + ... + 253005025282.

Almost surely, 2^{1012020101122} is an apocalyptic number.

1012020101122 is a deficient number, since it is larger than the sum of its proper divisors (506010050564).

1012020101122 is an equidigital number, since it uses as much as digits as its factorization.

1012020101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506010050563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012020101122 its reverse (2211010202101), we get a palindrome (3223030303223).

The spelling of 1012020101122 in words is "one trillion, twelve billion, twenty million, one hundred one thousand, one hundred twenty-two".