210102121022 has 4 divisors (see below), whose sum is σ = 315153181536. Its totient is φ = 105051060510.

The previous prime is 210102120989. The next prime is 210102121063. The reversal of 210102121022 is 220121201012.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×210102121022³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210102120988 and 210102121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525530254 + ... + 52525530257.

It is an arithmetic number, because the mean of its divisors is an integer number (78788295384).

Almost surely, 2^210102121022 is an apocalyptic number.

210102121022 is a deficient number, since it is larger than the sum of its proper divisors (105051060514).

210102121022 is a wasteful number, since it uses less digits than its factorization.

210102121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105051060513.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210102121022 its reverse (220121201012), we get a palindrome (430223322034).

The spelling of 210102121022 in words is "two hundred ten billion, one hundred two million, one hundred twenty-one thousand, twenty-two".