102121011101222 has 8 divisors (see below), whose sum is σ = 153850431572400. Its totient is φ = 50837533910424.

The previous prime is 102121011101149. The next prime is 102121011101231. The reversal of 102121011101222 is 222101110121201.

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

It is a super-2 number, since 2×102121011101222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102121011101222.

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, 111485819522 + ... + 111485820437.

It is an arithmetic number, because the mean of its divisors is an integer number (19231303946550).

Almost surely, 2^{102121011101222} is an apocalyptic number.

102121011101222 is a deficient number, since it is larger than the sum of its proper divisors (51729420471178).

102121011101222 is a wasteful number, since it uses less digits than its factorization.

102121011101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222971640190.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102121011101222 its reverse (222101110121201), we get a palindrome (324222121222423).

The spelling of 102121011101222 in words is "one hundred two trillion, one hundred twenty-one billion, eleven million, one hundred one thousand, two hundred twenty-two".