1020122120111 has 8 divisors (see below), whose sum is σ = 1075014617184. Its totient is φ = 966107903200.

The previous prime is 1020122120093. The next prime is 1020122120113. The reversal of 1020122120111 is 1110212210201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020122120111 - 2¹⁴ = 1020122103727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020122120113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219567656 + ... + 219572301.

It is an arithmetic number, because the mean of its divisors is an integer number (134376827148).

Almost surely, 2^{1020122120111} is an apocalyptic number.

1020122120111 is a deficient number, since it is larger than the sum of its proper divisors (54892497073).

1020122120111 is a wasteful number, since it uses less digits than its factorization.

1020122120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439140081.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1020122120111 its reverse (1110212210201), we get a palindrome (2130334330312).

The spelling of 1020122120111 in words is "one trillion, twenty billion, one hundred twenty-two million, one hundred twenty thousand, one hundred eleven".