1211120001022 has 16 divisors (see below), whose sum is σ = 1851004599840. Its totient is φ = 594119055712.

The previous prime is 1211120001001. The next prime is 1211120001097. The reversal of 1211120001022 is 2201000211121.

It is a junction number, because it is equal to n+sod(n) for n = 1211120000993 and 1211120001011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4763004 + ... + 5010832.

It is an arithmetic number, because the mean of its divisors is an integer number (115687787490).

Almost surely, 2^{1211120001022} is an apocalyptic number.

1211120001022 is a deficient number, since it is larger than the sum of its proper divisors (639884598818).

1211120001022 is a wasteful number, since it uses less digits than its factorization.

1211120001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293987.

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

Adding to 1211120001022 its reverse (2201000211121), we get a palindrome (3412120212143).

The spelling of 1211120001022 in words is "one trillion, two hundred eleven billion, one hundred twenty million, one thousand, twenty-two".