1021021211122 has 8 divisors (see below), whose sum is σ = 1670761981872. Its totient is φ = 464100550500.

The previous prime is 1021021211053. The next prime is 1021021211219. The reversal of 1021021211122 is 2211121201201.

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

It is a super-2 number, since 2×1021021211122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021021211096 and 1021021211105.

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, 23205027504 + ... + 23205027547.

It is an arithmetic number, because the mean of its divisors is an integer number (208845247734).

Almost surely, 2^{1021021211122} is an apocalyptic number.

1021021211122 is a deficient number, since it is larger than the sum of its proper divisors (649740770750).

1021021211122 is a wasteful number, since it uses less digits than its factorization.

1021021211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46410055064.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021021211122 its reverse (2211121201201), we get a palindrome (3232142412323).

The spelling of 1021021211122 in words is "one trillion, twenty-one billion, twenty-one million, two hundred eleven thousand, one hundred twenty-two".