20101120022 has 8 divisors (see below), whose sum is σ = 30200392200. Its totient is φ = 10034322624.

The previous prime is 20101120019. The next prime is 20101120031. The reversal of 20101120022 is 22002110102.

It is a happy number.

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

It is a super-2 number, since 2×20101120022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20101119985 and 20101120012.

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, 8117147 + ... + 8119622.

It is an arithmetic number, because the mean of its divisors is an integer number (3775049025).

Almost surely, 2^20101120022 is an apocalyptic number.

20101120022 is a deficient number, since it is larger than the sum of its proper divisors (10099272178).

20101120022 is a wasteful number, since it uses less digits than its factorization.

20101120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16237390.

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

Adding to 20101120022 its reverse (22002110102), we get a palindrome (42103230124).

The spelling of 20101120022 in words is "twenty billion, one hundred one million, one hundred twenty thousand, twenty-two".