20122121211022 has 8 divisors (see below), whose sum is σ = 30185021070072. Its totient is φ = 10060447521000.

The previous prime is 20122121211013. The next prime is 20122121211061. The reversal of 20122121211022 is 22011212122102.

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

It is a super-2 number, since 2×20122121211022² (a number of 27 digits) contains 22 as substring.

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, 306501229 + ... + 306566872.

It is an arithmetic number, because the mean of its divisors is an integer number (3773127633759).

Almost surely, 2^{20122121211022} is an apocalyptic number.

20122121211022 is a deficient number, since it is larger than the sum of its proper divisors (10062899859050).

20122121211022 is a wasteful number, since it uses less digits than its factorization.

20122121211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613084514.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20122121211022 its reverse (22011212122102), we get a palindrome (42133333333124).

The spelling of 20122121211022 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, twenty-two".