1021120022 has 8 divisors (see below), whose sum is σ = 1649501616. Its totient is φ = 471286152.

The previous prime is 1021120013. The next prime is 1021120031. The reversal of 1021120022 is 2200211201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1021120013) and next prime (1021120031).

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

It is a junction number, because it is equal to n+sod(n) for n = 1021119985 and 1021120012.

It is a congruent number.

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, 19636898 + ... + 19636949.

It is an arithmetic number, because the mean of its divisors is an integer number (206187702).

Almost surely, 2^1021120022 is an apocalyptic number.

1021120022 is a deficient number, since it is larger than the sum of its proper divisors (628381594).

1021120022 is a wasteful number, since it uses less digits than its factorization.

1021120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39273862.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1021120022 is about 31954.9686590364. The cubic root of 1021120022 is about 1006.9910190916.

Adding to 1021120022 its reverse (2200211201), we get a palindrome (3221331223).

The spelling of 1021120022 in words is "one billion, twenty-one million, one hundred twenty thousand, twenty-two".