1030120021022 has 4 divisors (see below), whose sum is σ = 1545180031536. Its totient is φ = 515060010510.

The previous prime is 1030120020973. The next prime is 1030120021027. The reversal of 1030120021022 is 2201200210301.

It is a happy number.

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

It is a super-2 number, since 2×1030120021022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030120020988 and 1030120021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030120021027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257530005254 + ... + 257530005257.

It is an arithmetic number, because the mean of its divisors is an integer number (386295007884).

Almost surely, 2^{1030120021022} is an apocalyptic number.

1030120021022 is a deficient number, since it is larger than the sum of its proper divisors (515060010514).

1030120021022 is an equidigital number, since it uses as much as digits as its factorization.

1030120021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515060010513.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1030120021022 its reverse (2201200210301), we get a palindrome (3231320231323).

The spelling of 1030120021022 in words is "one trillion, thirty billion, one hundred twenty million, twenty-one thousand, twenty-two".